/ Dictionary / Index L law of areas: Meaning and Definition of Find definitions for: law' of ar'eas Pronunciation: [key] — Astron. Astron. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. law of action and reaction law of averages Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language